Storage box



FIG. 1 is a front elevation view of a storage box;

FIG. 2 is a rear elevation view thereof;

FIG. 3 is a left-side elevation view thereof;

FIG. 4 is a right-side elevation view thereof;

FIG. 5 is a top plan view thereof;

FIG. 6 is a bottom plan view thereof;

FIG. 7 is a perspective view thereof;

FIG. 8 is another perspective view thereof, shown in an open state; and,

FIG. 9 is another perspective view thereof, shown in a state of use.

The broken lines in FIG. 9 depict environmental subject matter that forms no part of the claimed design. 

CLAIM The ornamental design for a storage box, as shown and described. 